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- W1964725609 abstract "The day-to-day volatility of traffic series provides valuable information for accurately tracking the complex characteristics of short-term traffic such as stochastic noise and nonlinearity. Recently, support vector regression (SVR) has been applied for short-term traffic forecasting. However, standard SVR adopts a global and fixed ϵ-margin, which not only fails to tolerate the day-to-day traffic variation, but also requires a blind and time-consuming searching procedure to obtain a suitable value for ϵ. In this work, on the ground of stochastic modeling of day-to-day traffic variation, we propose an adaptive SVR short-term traffic forecasting model. The time-varying deviation of the day-to-day traffic variation, described in a bilevel formula, is integrated into SVR as heuristic information to construct an adaptive ϵ-margin, in which both local and normalized factors are considered. Comparative experiments using field traffic data indicate that the proposed model consistently outperforms the standard SVR with an improved computational efficiency." @default.
- W1964725609 created "2016-06-24" @default.
- W1964725609 creator A5031966675 @default.
- W1964725609 creator A5073173638 @default.
- W1964725609 date "2013-02-13" @default.
- W1964725609 modified "2023-10-12" @default.
- W1964725609 title "An Adaptive-Margin Support Vector Regression for Short-Term Traffic Flow Forecast" @default.
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- W1964725609 doi "https://doi.org/10.1080/15472450.2013.771107" @default.
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